package edu.zju.gis.dbfg.common.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author yanlo yanlong_lee@qq.com
 * @version 1.0 2018/08/02
 */
@Component
public class BeanUtil implements ApplicationContextAware {
    private static ApplicationContext context = null;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (BeanUtil.context == null)
            BeanUtil.context = applicationContext;
    }

    public static <T> T getBean(Class<T> clazz) {
        return context.getBean(clazz);
    }

    public static <T> boolean containsBean(String name) {
        return context.containsBean(name);
    }
}
